1563 in Ireland

Events

• April-September 11 – Thomas Radclyffe, 3rd Earl of Sussex, Lord Lieutenant of Ireland, based in Armagh, campaigns against Shane O'Neill.
• May 18 – commission for administration of the Oath of Supremacy to all ecclesiastics and state servants.
• After September – introduction of the potato to Ireland by John Hawkins.

  Births

• May – Arthur Chichester, 1st Baron Chichester, English administrator and soldier, Lord Deputy of Ireland
• Approximate date – Niall Ó Glacáin, physician

  Deaths

• Diarmuid Mac Bruideadha, poet.